Encrypt / Decrypt Scripts

Hi,
I'm trying to run some Scripts to Encrypt and Decrypt files automatically..
now the questions are:
How can I delete the *.ZIP files after this command is executed without
errors ?
gpg --batch --encrypt-files -r "KEY" c:\test2\*.zip
Same case here:
How can I delete the *.gpg files after this command is executed without
errors and Successfully?
gpg --passphrase-fd 0 --batch --decrypt-files *.gpg <phrase.txt
Thanks,
SalTorr
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